. >>> computer software billionaire john mcafee is hospitalized in guatemala. he's wanted for questioning in regarding the killing of a neighbor. he sold his antivirus in the 1990s. he moved three years ago where he's clashed with neighbors and police. >>> george zimmerman has filed a lawsuit against nbc for the way they edited his 911 call. it claims it makes him look like a racist. he's heard telling police that the person he's following looks suspicious and he looks black. nbc says there was no intent to portray zimmerman unfairly. he pleaded not guilty to second degree murder charges claiming self-defense. >>> quick thinking in washington state helped save the life of a student. you see the 16-year-old fall to the floor unconscious. scott rankin grabbed a defibrillator. the student suffers from a rare condition that caused his heart to stop. >>> a few days between the battle between the ravens and the redskins. mary has more on the challenge issued by howard county executive through his counterpart in prince george's county. >> reporter: howard county execu